what the hell is a nug i keep hearin people say it but i dunno what it means. im good on most other words its just this one i got trouble with.
1 Improper use of contact lenses or steroid eyedrops can lead to fungal infections, which in turn can cause corneal ulcers. Also, a corneal injury that results in plant material getting into the eye can lead to fungal keratitis.  Acanthamoeba are microscopic, single-celled amoeba that can cause human infection.
1. Corneal Abrasions and Ulcers. Both conditions can be associated with contact lenses, causing eye pain when blinking. An infection will cause an ulcer to form, and scratches on the cornea cause abrasions. If you have either of the conditions, you will experience immense pain and a feeling of something in the eye.